4K IP转播车的设计与使用  

Design and Application of 4K IP OB Van

作　　者：侯杰[1] 崔朋 Hou Jie;Cui Peng(Linyi Radio and Television Station,Shandong 276000,China)

机构地区：[1]临沂市广播电视台,山东276000

出　　处：《广播与电视技术》2023年第12期65-69,共5页Radio & TV Broadcast Engineering

摘　　要：本文主要介绍了临沂市广播电视台4K基带IP混合架构转播车的设计,并分析了后期使用中的疑难问题。该车满足《4K超高清电视节目制作技术实施指南(2020版)》等规范的要求,可制作技术参数为“3840×2160/50P/10bit、BT.2020色域、HLG/PQ HDR”的4K节目,能通过下变换后送到播出部门、融媒体部门进行高清播出。This article mainly introduces the designs of Linyi Radio and Television Station 4K baseband IP hybrid structure OB van and analyzes the common problems of its later use.The vehicle meets the requirements of specifications from‘4K UHD Television Program Production Technical Implementation Guide(2020 Edition)’and can produce 4K programs with technical parameters of‘38402160/50P/10bit,BT.2020 color gamut,HLG/PQ HDR’,and at the same time,down-convert 4K programs to HD programs which can be sent to the broadcast department and convergence media department for immediate use.

关 键 词：4K IP HDR 同步 SDN IGMP 

分 类 号：G22[文化科学]